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Northwest Africa 4274
Basic information Name: Northwest Africa 4274
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4274
Observed fall: No
Year found: 2005
Country: Morocco
Mass:help 132 g
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  L4-5
Recommended:  L4-5    [explanation]

This is 1 of 29 approved meteorites classified as L4-5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 1 Sep 2006
Data from:
  MB91
  Table 2
  Line 269:
Date:2005
Mass (g):132
Pieces:1
Class:L4-5
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):24.5
Ferrosilite (mol%):20.5
Classifier:A. Seddiki, Ud’OEA, and UJMS-E; B. Moine, J. Y. Cottin, UJMS-E; M. Denis, V. Sautter, J. P. Lorand, MNHNP
Type spec mass (g):20.5
Type spec location:MNHN and Toulouse
Main mass:Bernard Mougenot
Institutions
   and collections		 MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
Toulouse: No contact information provided., France (institutional address; updated 12 Feb 2011)
MNHN: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
UJMS-E: Université Jean Monnet, Saint-Etienne, France (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2012 approved meteorites from Morocco (plus 35 unapproved names) (plus 1 impact crater)

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